Free open-source browser translation plugin! Paragraph-by-paragraph bilingual view of original and translation, supports selection translation, AI explanation and document/subtitle translation - FluentRead



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🕒Last updated: 09/17/2026
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👥Entrepreneurs / Self-media creators / Cross-border e-commerce sellers / Side-hustlers

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Free open-source browser translation plugin! Paragraph-by-paragraph bilingual view of original and translation, supports selection translation, AI explanation and document/subtitle translation - FluentRead

Free open-source browser translation plugin! Paragraph-by-paragraph bilingual view of original and translation, supports selection translation, AI explanation and document/subtitle translation - FluentRead

FluentRead is a GPL-3.0 open-source browser translation plugin. It supports bilingual web view, word-selection translation, AI reading assistance, and image, document and video-subtitle translation. It shows the original and translation paragraph-by-paragraph on the same page, and supports image region selection and document/video subtitle translation. Compatible with Chrome, Edge and Firefox.

Features

Bilingual original/translation paragraph view; full-page, floating and selection translation;

AI translation cards explain selected text, analyze sentences and allow follow-up questions;

Image translation: recognizes text in web images or selected regions and gives a translation;

Document translation: import PDF, ePub, Word; read bilingually and export;

Video subtitles: bilingual subtitles on YouTube and X, adjustable style;

Can connect free translation services, DeepL, AI services or local Ollama models;

Supported: Chrome, Edge and Firefox.

Screenshots

Free open-source browser translation plugin! Paragraph-by-paragraph bilingual view of original and translation, supports selection translation, AI explanation and document/subtitle translation - FluentRead

Free open-source browser translation plugin! Paragraph-by-paragraph bilingual view of original and translation, supports selection translation, AI explanation and document/subtitle translation - FluentRead

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Note: use the Chrome ZIP for Chrome and Edge; the Firefox ZIP is an unsigned build for temporary loading or signing submission.

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